<template>
  <div>
    <div class="banner" @click="handleBannerClick">
      <img class="banner-img" :src="bannerImg" alt="">
      <div class="banner-info">
        <div class="banner-title">{{this.sighName}}</div>
        <div class="banner-number">
          <span class="iconfont banner-icon">&#xe624;</span>
          <span>{{this.bannerImgs.length}}</span>
        </div>
      </div>
    </div>
    <fade-animation>
      <common-gallary :imgs="bannerImgs" v-show="showGallary" @close="handleGallaryClose"></common-gallary>
      <!-- common-gallary 作为一个插槽的形式 插入到fade-animation这个组件中 -->
    </fade-animation>
  </div>
</template>

<script>
import CommonGallary from 'common/gallary/Gallary'
import FadeAnimation from 'common/fade/FadeAnimation'
export default {
  name: 'banner',
  props: {
    sighName: String,
    bannerImg: String,
    bannerImgs: Array
  },
  components: {
    CommonGallary,
    FadeAnimation
  },
  data () {
    return {
      showGallary: false
    }
  },
  methods: {
    handleBannerClick () {
      this.showGallary = true
    },
    handleGallaryClose () {
      this.showGallary = false
    }
  }
}
</script>

<style scoped>
  .banner {
    overflow: hidden;
    height: 0;
    padding-bottom: 55%;
    position: relative;
  }
  .banner .banner-img {
    width: 100%
  }
  .banner .banner-info {
    position: absolute;
    display: flex;
    left: 0;
    right: 0;
    bottom: 0;
    line-height: .6rem;
    color: #fff;
    background-image: linear-gradient(top, rgba(0, 0, 0, 0), rgba(0, 0, 0, .8)) /* 背景颜色从上到下渐变 */
  }
  .banner-info .banner-title {
    flex: 1;
    font-size: .32rem;
    padding: 0 .2rem
  }
  .banner-info .banner-number {
    height: .32rem;
    line-height: .32rem;
    margin-top: .14rem;
    padding: 0 .4rem;
    border-radius: .2rem;
    background: rgba(0, 0, 0, .8);
    font-size: .24rem
  }
  .banner-number .banner-icon {
    font-size: .24rem;
  }
</style>
